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('7 <br />• TableofContents AdrianBrown <br />1. INTRODUCTION .......................................................... 1 <br />2. GEOLOGY ................................................................... 2 <br />3. GEOMECHANICAL PROPERTIES ................................ 3 <br />3.1 Density ...........................................................................3 <br />3.2 Material Strength ..........................................................3 <br />3.2.1 Point load testing .............................................3 <br />3.2.2 Uniaxial compression testing .........................5 <br />3.2.3 Summary of intact strength <br />testing ........................................................................ 6 <br />3.3 Frictional Properties ......................................................8 <br />• 3.3.1 Laboratory tests ...............................................8 <br />3.3.2 Field tests ......................................................... 9 <br />4. WATER ...................................................................... 11 <br />5. STRUCTURE ............................................................. 12 <br />5.1 Overall Structural Conditions .....................................12 <br />5.2 North Mine ...................................................................18 <br />5.2.1 Joint Sets .......................................................18 <br />5.2.2 Fracture Intensity ...........................................18 <br />5.2.3 Structural Stability ..........................................18 <br />5.3 Starter Mine .................................................................23 <br />5.3.1 Joint Sets .......................................................23 <br />5.3.2 Fracture Intensity ...........................................23 <br />5.3.3 Structural Stability .........................................23 <br />• 5.4 East Wall of South Mine .............................................28 <br />1385D.980612 ~ <br />